[PATCH 03/27] drm/amd/display: initialize i2c speed if not initialized in dcnxxx__resource.c
Anson Jacob
Anson.Jacob at amd.com
Fri Jan 29 21:27:28 UTC 2021
From: Brendan Steve Leder <brendanSteve.Leder at amd.com>
Some dcnxxx__resource.c do not initialize the i2c speed; this patch adds
the required initialization at dc_construct().
Signed-off-by: Brendan Steve Leder <brendanSteve.Leder at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Anson Jacob <Anson.Jacob at amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 2bb0ec6a86b8..8fa179cbed32 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -761,6 +761,10 @@ static bool dc_construct(struct dc *dc,
if (!dc->res_pool)
goto fail;
+ /* set i2c speed if not done by the respective dcnxxx__resource.c */
+ if (dc->caps.i2c_speed_in_khz_hdcp == 0)
+ dc->caps.i2c_speed_in_khz_hdcp = dc->caps.i2c_speed_in_khz;
+
dc->clk_mgr = dc_clk_mgr_create(dc->ctx, dc->res_pool->pp_smu, dc->res_pool->dccg);
if (!dc->clk_mgr)
goto fail;
--
2.25.1
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